
    <nz-modal [(nzVisible)]="isVisible" nzTitle="Please select" (nzOnCancel)="handleCancel($event)" (nzOnOk)="handleOk($event)">
      <nz-cascader
        [nzOptions]="nzOptions"
        [(ngModel)]="values"
        (ngModelChange)="onChanges($event)">
      </nz-cascader>
    </nz-modal>

    <button nz-button (click)="open()">Open Dialog</button>
    